<template>
  <div class="g-button-group">
    <slot></slot>
  </div>
</template>

<script>
  export default {
    name: 'Button-group.vue',
    mounted() {
     for(let node of this.$el.children) {
       let name = node.nodeName.toLowerCase()
       if (name !== 'button') {
         console.warn(`g-button-group 的子元素应该全是 g-button, 但是你写的是 ${name}`)
       }
     }
    }
  }
</script>

<style scoped lang="scss">
  @import "global-scss";
.g-button-group {
  display: inline-flex;
  vertical-align: middle;
  > .g-button {
    border-radius: 0;
    border: 1px solid $color;
    &:not(:first-child) {
      margin-left: -1px;
    }
    &:first-child {
      border-top-left-radius: $border-radius;
      border-bottom-left-radius: $border-radius;
    }
    &:last-child {
      border-top-right-radius: $border-radius;
      border-bottom-right-radius: $border-radius;
    }
    &:hover {
      position: relative;
      z-index: 1;
    }
  }
}
</style>